When using an arduino what are "shields"? like ethernet shields or ones like the one in this link? Answered

https://www.instructables.com/id/Clear-polycarbonate-enclosures/step10/Enjoy/

Comments

The forums are retiring in 2021 and are now closed for new topics and comments.

Best Answer 8 years ago

Shields are boards that can be plugged on top of the Arduino PCB extending its capabilities.